536821758 has 48 divisors (see below), whose sum is σ = 1272840192. Its totient is φ = 162162000.

The previous prime is 536821739. The next prime is 536821781. The reversal of 536821758 is 857128635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61443 + ... + 69633.

It is an arithmetic number, because the mean of its divisors is an integer number (26517504).

Almost surely, 2^536821758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 536821758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636420096).

536821758 is an abundant number, since it is smaller than the sum of its proper divisors (736018434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

536821758 is a wasteful number, since it uses less digits than its factorization.

536821758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541 (or 8538 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 536821758 is about 23169.4142783110. The cubic root of 536821758 is about 812.7245337000.

The spelling of 536821758 in words is "five hundred thirty-six million, eight hundred twenty-one thousand, seven hundred fifty-eight".